Multiple choice general knowledge math & puzzles

Which of the following is least like the others?

  1. cube

  2. sphere

  3. pyramid

  4. circle

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To solve this question, the user needs to understand the characteristics of each shape and identify which one is different from the others.

Explanation of each option:

A. cube: A cube is a three-dimensional shape that has six square faces, eight vertices, and 12 edges.

B. sphere: A sphere is a three-dimensional shape that is perfectly round in shape, like a ball. It has no edges or vertices and has a curved surface.

C. pyramid: A pyramid is a three-dimensional shape that has a polygonal base and triangular faces that meet at a single vertex.

D. circle: A circle is a two-dimensional shape with a curved boundary and every point on the boundary is an equal distance from the center point.

Option D is least like the others because it is the only two-dimensional shape. The other three options are three-dimensional shapes. Therefore, the answer is:

The Answer is: D

AI explanation

A circle is a two-dimensional (flat) shape, whereas a cube, sphere, and pyramid are all three-dimensional solids — so circle is the one that doesn't belong with the others in terms of dimensionality. Among the 3D solids, cube and pyramid are polyhedra with flat faces while sphere is curved, but the more fundamental and unambiguous distinguishing category here is 2D vs. 3D, which singles out circle cleanly.